Microwave Heating Directions: From Frozen. Important! For a softer, tastier sandwich: Do Not Overheat! 1. Remove sandwich from wrapper. 2. Place sandwich on paper towel or napkin. 3. Heat sandwich on High 1-1/2 to 2 minutes or until hot. From Thawed: 1. Remove sandwich from wrapper. 2. Heat thawed (refrigerated) sandwich on High 45 to 60 seconds or until hot. Microwave ovens vary in size and performance. Follow directions carefully.